BIRDS OF NORTH AND MIDDLE AMERICA. 



375 



(in dried skins); iris light grayish yellow;" legs and feet light or ])ale 

 brownish (in dried skins); four outer primaries minute, narrow, sub- 

 falcate, the ninth and tenth longer and larger than eighth and 

 seventh; length (skins), 89-97 (92); wing, 40-42.5 (41.5); tail, 

 36-43.5 (38.8); exposed culmen, 9.5-11 (10.2); tarsus, 15-17.5 

 (16.4); middle toe, 6.5-8 (7.3).^ 



Adult female, — Similar in coloration to adult male, but four outer 

 primaries much larger, the tenth smallest, the ninth, eighth, and 

 seventh successively larger, but the last much shorter than sixth; 

 length (skins), 76.5-86 (83); wdng, 38-42.5 (40.3); tail, 26-34.5 

 (30.5); exposed culmen, 10-11.5 (10.6); tarsus, 14.5-16 (15.5); 

 middle toe, 6.5-7.5 (7.1).^ 



Young. — Similar to adults, but pileum more buffy olive, wing- 

 bands duller yellow, and anterior under parts more or less suffused 

 with pale brownish buff, the chin and upper throat without streaks. 



Northern and central Colombia (Cartagena; Bogota; Santa Marta, 

 Minca, Bonda, and Cacagualita, Province of Santa Marta) and Pan- 

 ama (Panama City; Nata-Cocle; Santa Fe de Veragua; David). 



Colopterus pilaris Cabanis, Weigman's Archiv. ftir Naturg., xiii, pt. i, 1847, 253, 

 pi. 5, fig. 4 (Cartagena, Colombia; coll. Berlin Mus.; ex Todus pilaris Lich- 

 tenstein, manuscript). — Sclater, Cat. Am. Birds, 1862, 210 ("New Gran- 

 ada"); Cat. Birds Brit. Mus., xiv, 1888, 90 (Santa Fe, Veragua; Santa Mai-ta, 

 Minca, and Bogota, Colombia). — Salvin, Proc. Zool. Soc. Lond., 1867, 147 

 (Santa Fe, Veragua). — Salvik and Godman, Ibis, 1880, 124 (Minca, Colom- 

 bia, 2,000 ft.); Biol. Centr.-Am., Aves, ii, 1888, 18.— Bangs, Proc. Biol. Soc. 

 Wash., xii, 1898, 136 (Santa Marta, Colombia). — Allen, Bull. Am. Mus. 

 N. H., xiii, 1900, 150 (Bonda, etc., Santa Marta). — Thayer and Bangs, 

 Bull. Mus. Comp. Zool., xlvi, 1906, 217 (Sabana de Panama). 



oHeyde, manuscript. 



b Nine specimens. 



c Eleven specimens. 



Panama and Colombian specimens compare in average measurements as follows: 



Besides averaging smaller than Colombian examples those from Panama seem lo be 

 .'^lightly lighter in coloration and with the sulphur yellow of posterior under parts less 

 strong; but the series from Panama is too small to allow of satisfactory comparison. 



